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Finding the Fourth Proportional to 108,031.41, 162,050.10 and 29,145.41

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Solution

The fourth proportional to 108,031.41, 162,050.10 and 29,145.41 is: 43,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,031.41 : 162,050.10 = 29,145.41 : x
  2. Step 2: Convert to fraction form
    108,031.41/162,050.10 = 29,145.41/x
  3. Step 3: Cross multiply
    108,031.41x = 162,050.10 × 29,145.41
  4. Step 4: Simplify right side
    108,031.41x = 4,723,016,605.04
  5. Step 5: Solve for x
    x = 4,723,016,605.04/108,031.41
  6. Step 6: Final answer
    x = 43,718.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.